Environmental Protection Agency December 17, 2018 – Federal Register Recent Federal Regulation Documents
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Air Plan Approval; Tennessee; NOX
The Environmental Protection Agency (EPA) is proposing to conditionally approve a portion of a State Implementation Plan (SIP) revision submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC) with a letter dated February 27, 2017, to establish a SIP-approved state control program to comply with the obligations of the Nitrogen Oxides (NOX) SIP Call with respect to certain sources. EPA is also proposing to fully approve the remaining portion of the same Tennessee SIP revision to remove the SIP-approved portions of the State's Clean Air Interstate Rule (CAIR) Program rules from the Tennessee SIP. In addition, EPA is proposing to fully approve a revision to the Tennessee SIP submitted with a letter dated April 3, 2018, to remove regulations related to a previous NOX trading program.
Air Plan Approval; New Hampshire; Transport Element for the 2010 Sulfur Dioxide National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire. This revision addresses the interstate transport requirements of the Clean Air Act (CAA), referred to as the good neighbor provision, with respect to the 2010 sulfur dioxide (SO2) national ambient air quality standard (NAAQS). This action approves New Hampshire's demonstration that the State is meeting its obligations regarding the transport of SO2 emissions into other states.
Air Plan Approval; Massachusetts; High Occupancy Vehicle Lanes
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Massachusetts. This revision provides for the Massachusetts Department of Transportation (MassDOT) to construct and operate specified transit facilities and high occupancy vehicle (HOV) lanes established therein. Implementation and continued monitoring of these projects will help reduce the use of automobiles and improve traffic operations on the region's roadways, resulting in improved air quality. This action will have a beneficial effect on air quality because it is intended to reduce vehicle miles traveled (VMT) and traffic congestion in the Boston Metropolitan Area. Massachusetts has adopted these revisions to reduce emissions of volatile organic compounds (VOC), particulate matter (PM), and nitrogen oxides (NOX). This action is being taken under the Clean Air Act.
Air Plan Approval; Indiana; Cross-State Air Pollution Rule
The Environmental Protection Agency (EPA) is approving a state submittal concerning the Cross-State Air Pollution Rule (CSAPR) that was submitted by Indiana on November 27, 2017 as a revision to the Indiana state implementation plan (SIP). Under CSAPR, large electricity generating units (EGUs) in Indiana are currently subject to Federal implementation plans (FIPs) requiring the units to participate in CSAPR's Federal trading program for annual emissions of nitrogen oxides (NOX), one of CSAPR's two Federal trading programs for annual emissions of sulfur dioxide (SO2), and one of CSAPR's two Federal trading programs for ozone season emissions of NOX. This action approves the State's regulations requiring large Indiana EGUs to participate in new CSAPR state trading programs for annual NOX, annual SO2, and ozone season NOX emissions integrated with the CSAPR Federal trading programs, replacing the corresponding FIP requirements. EPA is approving the State's submission because it meets the requirements of the Clean Air Act (CAA or Act) and EPA's regulations for approval of a CSAPR full SIP revision replacing the requirements of a CSAPR FIP. Under the CSAPR regulations, approval of the SIP revision automatically eliminates Indiana's units' requirements under the corresponding CSAPR FIPs addressing Indiana's interstate transport (or ``good neighbor'') obligations with respect to the 1997 fine particulate matter (PM2.5) national ambient air quality standard (NAAQS), the 2006 PM2.5 NAAQS, the 1997 ozone NAAQS, and the 2008 ozone NAAQS. Like the CSAPR FIP requirements that are being replaced, approval of the SIP revision fully satisfies Indiana's good neighbor obligations with respect to attainment and maintenance of the 1997 PM2.5 NAAQS, the 2006 PM2.5 NAAQS, and the 1997 ozone NAAQS and partially satisfies Indiana's good neighbor obligation with respect to attainment and maintenance of the 2008 ozone NAAQS. EPA proposed approval of the State's submission on August 14, 2018.
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